National Emergency Alarm Repeater (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "National Emergency Alarm Repeater" in English language version.

refsWebsite

Global rank English rank

198^th place

154^th place

1web.archive.org

1^st place

1^st place

61^st place

54^th place

800^th place

676^th place

espacenet.com

worldwide.espacenet.com

US application 3284791, VOIGT, Robert H. & OSBORNE, Jack D., "Near alarm receiver having-time delay of discharge type", published 8 November 1966 . Page 3, lines 32-43

pbs.org

www-tc.pbs.org

"Investigations: N.E.A.R Device". History Detectives. Season 7. Episode 8. August 2009. PBS. Episode 709, Story 3: N.E.A.R Device (PDF).

time.com

"CIVIL DEFENSE: Buzzers Mean Bombs". TIME. 14 November 1960. Archived from the original on 5 December 2007. Retrieved 19 May 2010.

web.archive.org

"CIVIL DEFENSE: Buzzers Mean Bombs". TIME. 14 November 1960. Archived from the original on 5 December 2007. Retrieved 19 May 2010.